Top 10 Atx case small form factor in the World 2025

Are you ready to build the ultimate compact PC? Choosing the right ATX case can make all the difference! By comparing the top small form factor factories, you’ll discover options that balance style, functionality, and cooling. Dive in to find the best fit for your dream setup!

The 11 Best Smallest ATX Cases for a Compact PC Build

Product Details: Raijintek Thetis Window Mid Tower Computer Case

Technical Parameters:
– Measurements: 14.2 x 8.3 x 14.4 inches
– Motherboard Support: ATX, Micro ATX, Mini ITX

Application Scenarios:
– Compact PC builds
– HTPC setups

Pros:
– Supports standard-sized components
– Compact dimensions

Cons:
– Only supports inverted motherboard layout
– Limited factory fans

13 Best Small ATX Cases for Compact Builds – Setupgamers

Product Details: Lian Li Case O11D Mini

Technical Parameters:
– Motherboard: ATX
– Dimensions [L×W×D]: 16.5″ x 10.6″ x 15.0″
– Volume: 38L

Application Scenarios:
– Compact builds requiring high modularity
– Water-cooling setups

Pros:
– Excellent build quality
– Modular design for ATX, M-ATX, ITX
– Easy to build inside
– Includes fan filters
– Superb cable management

Cons:
– Does not support ATX PSU
– Thumbscrews a little hard to turn
– Top cover could have more holes
– No included fans

10 Smallest ATX Cases for Compact Builds 2025 Updated – PC Cores

Product Details: Cooler Master MasterBox Q500L – Best Cube ATX Case

Technical Parameters:
– Measurements: 15.2 x 9.1 x 15 inches
– Radiator Support: 240mm, GPU Length: 360mm, Included Fans: (3) 2x 140mm, 1x 120m…

Application Scenarios:
– Portable PC builds for gaming or work
– Compact setups in limited spaces

Pros:
– Robust cooling with good airflow
– Versatile orientation (vertical and horizontal)

Cons:
– Lacks RGB lighting
– Limited space for cable management

10 Best Slim ATX Cases for Tiny Space Builds 2025 – PC Cores

Product Details: Thermaltake Core G3 – Best Slim ATX Case

Technical Parameters:
– Slimness: 5.5 inches
– Motherboard Compatibility: ATX, Micro-ATX, Mini-ITX
– Dimensions: 17.9 x 14.6 x 5.5 inches
– Included Case Fans: 2x 120mm
– GPU Length: 310mm
– CPU Cooler Height: 110mm
– Liquid Cooling Support: 1x 240mm

Application Scenarios:
– VR gaming setups
– Space-saving HTPCs
– Modern minimalist minicomputers

Pros:
– Good airflow with perforated front
– Compatible with water cooling
– Compact design suitable for various placements

Cons:
– Requires SFX power supply only
– Limited GPU installation options
– Inverted motherboard layout may be challenging for some users

Smallest ATX Cases for Best Compact PC Builds in 2023

Product Details: Corsair Carbide Air 540 – Best overall compact ATX Case

Technical Parameters:
– Supports E-ATX, ATX, mATX, and Mini-ITX
– Maximum GPU length 320mm, CPU cooler height 170mm, and standard ATX PSU length 2…

Application Scenarios:
– Ideal for overclocking systems
– Suitable for compact PC builds in tight spaces

Pros:
– Runs quiet
– Outstanding cooling capabilities

Cons:
– A little bit pricey for budget PC builders
– Only comes pre-equipped with the front dust filter

Ultimate Small Form Factor Pc | SFF time | ATX Case

Product Details: P-ATX V3 case designed for high-end hardware in a compact form factor of 10.4L.

Technical Parameters:
– Volume: 10.4 L, Dimensions: 377.5 x 340 x 81 mm
– Weight: 1.7 kg, Material: 100% lightweight aluminum with powder-coated finish

Application Scenarios:
– Ideal for compact gaming builds requiring high-performance components.
– Suitable for users looking for a minimalist design without sacrificing hardware…

Pros:
– Supports a variety of motherboard sizes and GPU configurations.
– Engineered for optimal airflow and includes a USB-C Gen3.2 front port.

Cons:
– Limited space may restrict certain large components.
– Cooling options may be constrained due to compact design.

The Best Small ATX Cases (2024 Guide) – InformedTechie

Product Details: SilverStone Technology GD09 – Price: ~$121

Technical Parameters:
– Dimensions: 14.09 x 17.32 x 6.69 inches
– Weight: 9.26 pounds

Application Scenarios:
– Home media PC
– Compact ATX builds

Pros:
– Great build quality with heavy-duty plastic
– Plenty of room for larger GPUs and CPU coolers

Cons:
– Tricky cable management with no back panel
– Assembly can be complicated

SFF time | products | cases

Product Details: Small Form Factor cases designed for compatibility and airflow, built for performance.

Technical Parameters:
– U-ITX: 7L, supports ITX motherboards, 3-slot GPUs, SFX power supplies, up to 240…
– P-ATX: 10.4L, supports full-sized ATX motherboards, SFX power supplies, full-len…
– N-ATX: 15L, supports ATX motherboards, triple-slot GPUs, ATX power supplies, cus…
– MNLT: 19.7L, vertical case with guided airflow, optimized for air cooling.

Application Scenarios:
– Building compact gaming PCs.
– Creating portable workstation setups.

Pros:
– Designed for optimal airflow and cooling.
– Compact and portable designs suitable for various setups.

Cons:
– Limited space may restrict upgrade options.
– Potential compatibility issues with larger components.

Ultimate Small Form Factor Pc | SFF time | ATX Case

Product Details: N-ATX V2 is a versatile 15-liter case designed for high compatibility and performance in a compact footprint, supporting full-sized ATX motherboards and long GPUs.

Technical Parameters:
– 15 L volume with 405.5 x 367 x 101 mm outer dimensions
– Supports ATX power supply up to 180 mm and CPU coolers up to 79 mm in height

Application Scenarios:
– Ideal for compact PC builds requiring high performance
– Suitable for users looking for a water-cooling ready case

Pros:
– Lightweight yet sturdy 100% aluminum construction
– Fully disassembled and flat-packed for eco-friendly packaging

Cons:
– Limited space may restrict some larger components
– Assembly may require careful handling due to compact design

Best Smallest ATX Cases of 2025 (Slim & Compact) – Easy PC

Product Details: JONSBO D41

Technical Parameters:
– Front Panel USB: USB 3.2 Gen 2 Type-C + USB 3.2 Gen 1 Type-A
– Max Video Card Length: 330 mm / 12.992″

Application Scenarios:
– Best for Water Cooling
– Compact ATX case with display capabilities

Pros:
– Space-efficient layout
– Excellent airflow and water-cooling

Cons:
– Limited space for bulkier cables
– Doesn’t feature a handle

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Comparison Table

Frequently Asked Questions (FAQs)

What is a small form factor (SFF) ATX case?

A small form factor ATX case is a compact computer case designed to house standard ATX motherboards while saving space. These cases are ideal for users who want a powerful system in a smaller footprint, making them perfect for home or office environments where space is limited.

What are the benefits of using an SFF ATX case?

Using an SFF ATX case offers several advantages, including a smaller size for easier placement, reduced clutter, and often improved portability. Many SFF cases also have efficient cooling designs and can accommodate powerful components, allowing you to build a high-performance system without sacrificing space.

Can I fit high-end components in an SFF ATX case?

Yes, many SFF ATX cases are designed to accommodate high-end components like powerful GPUs and cooling systems. However, it’s essential to check the specifications of the case to ensure it supports the components you plan to use, as space can be limited.

Are SFF ATX cases easy to assemble?

Most SFF ATX cases are designed for straightforward assembly, featuring user-friendly layouts and cable management options. While the compact size can make installation a bit more challenging than larger cases, clear instructions and adequate space for tools can help you build your system with ease.

What should I consider when choosing an SFF ATX case?

When selecting an SFF ATX case, consider factors like size, airflow, compatibility with your components, and expansion options. Additionally, look for features such as cable management, ease of access, and aesthetics to ensure the case meets your needs and preferences.